20095684

素因数分解:

$2^2\times 7^3\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:273

約数の個数: 48

約数和(自身を含む): 41708800

約数和(自身を除く): 21613116

約数列:

[1, 2, 4, 7, 14, 28, 49, 97, 98, 151, 194, 196, 302, 343, 388, 604, 679, 686, 1057, 1358, 1372, 2114, 2716, 4228, 4753, 7399, 9506, 14647, 14798, 19012, 29294, 29596, 33271, 51793, 58588, 66542, 102529, 103586, 133084, 205058, 207172, 410116, 717703, 1435406, 2870812, 5023921, 10047842, 20095684]

約数ペア:

[(1, 20095684), (2, 10047842), (4, 5023921), (7, 2870812), (14, 1435406), (28, 717703), (49, 410116), (97, 207172), (98, 205058), (151, 133084), (194, 103586), (196, 102529), (302, 66542), (343, 58588), (388, 51793), (604, 33271), (679, 29596), (686, 29294), (1057, 19012), (1358, 14798), (1372, 14647), (2114, 9506), (2716, 7399), (4228, 4753)]